40 lines
1.1 KiB
C++
40 lines
1.1 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_FACE_OCCURRENCES
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#define IGL_FACE_OCCURRENCES
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#include "igl_inline.h"
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#include <Eigen/Core>
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#include <vector>
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namespace igl
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{
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// Count the occurances of each face (row) in a list of face indices
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// (irrespecitive of order)
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// Inputs:
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// F #F by simplex-size
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// Outputs
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// C #F list of counts
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// Known bug: triangles/tets only (where ignoring order still gives simplex)
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template <typename IntegerF, typename IntegerC>
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IGL_INLINE void face_occurrences(
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const std::vector<std::vector<IntegerF> > & F,
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std::vector<IntegerC> & C);
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template <typename DerivedF, typename DerivedC>
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IGL_INLINE void face_occurrences(
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const Eigen::MatrixBase<DerivedF> & F,
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Eigen::PlainObjectBase<DerivedC> & C);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "face_occurrences.cpp"
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#endif
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#endif
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